Rock Identifier
Blue Calcite (Calcium Carbonate (CaCO3)) — mineral
mineral

Blue Calcite

Calcium Carbonate (CaCO3)

AI-generated identification · may be incorrect

Mohs hardness of 3, pale to deep blue color, vitreous to pearly luster, rhombohedral crystal structure, perfect cleavage in three directions, specific gravity of 2.71.

Identified More mineral →
Explore Blue Calcite in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

Physical properties

Mohs hardness of 3, pale to deep blue color, vitreous to pearly luster, rhombohedral crystal structure, perfect cleavage in three directions, specific gravity of 2.71.

Formation & geological history

Formed in sedimentary environments through the precipitation of calcium carbonate from marine waters or hydrothermal veins.

Uses & applications

Used primarily for ornamental carvings, polished decorative stones, and in metaphysical crystal healing collections.

Geological facts

Blue calcite is known for its gentle, soothing energy and often exhibits faint white banding mixed with the blue.

Field identification & locations

Identified easily by its soft hardness (easily scratched by a copper penny) and strong effervescence when exposed to hydrochloric acid.